Method of making pressed metal water closets



Nov. 19, 1946. i J. sTANlTz 2,411,301 v METHOD OF MAKING PRESSED METAL WATER CLOSETS @gw mi@ Nov. 19, 1946. I .LfsTANl-rz METHOD OF MAKING PRESSED METAL WATER CLOSETS Filed April 8, 1944 6 `Sheets-Sheet 2 3mm/m Jacques ,f'iauzziyl m 91W' 9% J. STANITZ Nov. 19, 1946. l

METHOD OF MAKING PRESSED METAL WATER CLOSETS 6 Sheets-Sheet 3 Filed April 8, 1944 mw 1 --.il

Qms/Maw Jacques Sinami'v m mw m J. sTANlTz Nov. 19,1946.

METHOD OF MAKING PRESSED METAL WATER CLOSETS Filed April 8, 1944 e sheets-sheet' 4 l fc4 l /llrllllllllla- Nov. 19, 1946.. J. s'rANlTz 2,411,301v

METHOD OF `MKNG PRESSED METAL WATER CLOSETS Filed April 8, 1944 6 Sheets-Sheet 5 /10 l o u o y V1 Jig. I0

I `agie INVENTOR.

ATTO R NEYS Jacques 'iarzz'i' Nov. 19, 194e.

J. sTANl'rz 2,411,301 METHOD OF MAKING PRESSED METAL WATER CLOSETS Filed April a. 1944 s sheets-sheet` e .55 X 31,9 ,J9 W

A T TGRNEYS valamo-il*um 1c, icecmuren raras PATENT OFFICE z-,nicoi Y LIETHOD 0F Gr PRESSE!) METAL WATER. GLOSETS .lacunes Stanitz, Warren, Ghia, assigner to Mulline Manufacturing Corporation, Salem, Ohio, a corporation ci New York Application April 8, 19M, Serial No. 530,094

less steel, Monel metal or other corrosion resisting metal, or the pressed metal parts may be coated with a vitreous enamel such as porcelain.V

Water closets for use in homes, hotels, oiilce buildings and the like are of two general types, the wash-out jet type and the Siphon iet type, both of which are commonly formed of china.

` Although the type of Water closets used in railroad cars and similar places have been made largely of metal, and in some cases partly or entirely of sheet metal, it is not known that water closets of the washout or Siphon jet type, suitable for use in homes and the like have ever been made of pressedmetal.

The production of pressed metal water closets reduces the Weight of such plumbing fixtures and J3 Claims. v(Clt. 113-116) Y also reduces the cost oi' manufacture and the cost of installation thereof, all o which renders them available for low cost housing units.

In the manufacture of pressed metal water closets there are a number of factors which must be considered, namely; uniformity in size of the water channel, a large water area at least egual to the seat opening to overcome soiling or the walls of the bowl, the jet chel or tube must he drainable tcprevent bursting when drained for winter, a strong rim hush to thoroughly Wash the walls of the howl, provision to preventbach siphoning, a minimum depth of Water seal, quiet and eicient operation, Water control and vacuum brakes, an even-distribution or water in flushing, and the jet should he concealed as the l jet opening cannot oe readily cleaned and would show a dark spot in the bowl if not concealed.

The manufacture of water closets from drawn,

pressed or stamped sheet metal parts therefor presents a problem which is made more dimcult vif the advantages of mass production methods are to be attained because if a minimum oi scrap loss is to result, each individual part must he as simple as possible in design and shape, and the assembly of the parts must he simple and accurate and the finished product must he leakproof, uniform as to size and shape and attractive in appearance.

It is therefore an object of the invention to provide a method of making a water closet made entirely or sheet metal stampings, which conforms to the above requirements, overcomes the problems, mentioned, and realizes the advantages or mass production methods.

A further object of the invention is to provide j i'or the simplied manufacture `oi. a water closet entirely of sheet metal 'stampings comprising a bowl, a wash-out connection or goose neck siphon tube, a jet tube, a perforated spray ring.. a header,

a base and suitable support and trim members which are welded and soldered together.

Another' object is to provide a-'method of making a pressed metal Water closet in which simple component stampings are so formed and 'assembled as to hold and maintain their assembled positions and provide leak-proof joints therebetween. Y

It is a still further object of the invention to provide an improved and simplified design of sheet metal water closet construction. 1

And a final object is the provision of an improved method of making a pressed metal water v closet which is light in Weight, inexpensive to manufacture, pleasing and attractive in appearance, rigid in construction, made of corrosion resisting material such as stainless steel or Monel metal without using excessive amounts of the same, or made from hat steel enameledwith a vitreous enamel.

The above together with other objects and advantages which will be apparent to those skilled in the art from the drawings and following de. scription, may he attained by constructing the improved water closet in the manner hereinafter described in detail and illustrated in the accompanying drawings, in which Figure l is a vertical, longitudinal section of a washout jet type Water closet embodying the invention;

Fig. 2 a top plan view of the same with the seat removed;

Fig. 3 is a vertical, longitudinal section of a Siphon type water closet embodying the invention;

Fig. i is a top plan view of the same with the seat removed;

Figs. 5 to 8 inclusive are enlarged detail sec= 1 tions of modied forms of rim constructions;

dit

dit

to Fig. il;

Fig. 13 is a View' of the jet connection tube;

34 for connection'with the receiving header through the flanged opening 35 in the lower of Figs. 13 through 18 assembled ai. brazed to"" gether to form the completed water closet illustrated in Figs. 1 and 2.

Similar numerals refer throughout the drawings.

Referring frst to the washout jet type shown in Figs. 1 and 2, the perforate spray ring Ill is to similar parts formed of stainless steel, Monel metal or other corrosion resisting metal tubing as it is not possible to entirely coat the inner surface of this tube with vitreous enamel.

stamping I2 thereof. The tube 33 is upturned at its lower end at 36 for connection to the peripheral flange 31 surrounding the opening 38 in the lower front wall 29 of the washout tube 21.

The base 39 shown in Fig. 14 is in the form of a stamping having the flat horizontal top portion of suitable shape and provided around its edges with the downturned flange 4I). A support stamping4l shown in Fig. 15 is provided between the base and lower portion of the wash-out tube v241 having the flange 42 around its edges fitted upon the top of the base stamping as at 43 and shaped at-its upper end to fit around the lower portion of the washout tube as at 44 (Fig. 1).

A support and trim plate .45 shown 1n Fig. 16

vsurrounds the forward portion of the bowl, the

upturned end 48 fitting against the flange 23 of the bowl andthe lower end having an inturned flange 41 fitting upon the top of the base.

The back plate 48 shown in Fig. 1'1 is in the form of a stamping having a. flange 49 at its lower A tube connection II is provided for the spray ring and stampings I2, I3 and I4 are provided forming a receiving header for connection to the water supply pipe I5.'

The stamping I3 is provided withan aperture I6 in its upper surface, which receives the pipe coupling stamping I4, the peripheral flange I1 at the lower end of which is received against the under side of the top wall of the stamping I3 at a point surrounding the aperture I6.

A depending-flange I8 is formed upon the stamping I3, and provided at its forward side with the opening I9 surrounded by the flanged connection 20 which receives the end of the tube connection II. The lower stamping I2 'of the receiving header is provided with the upstanding peripheral flange 2I which ts within the depending flange I8 of the stamping'l3.

In the manufacture of the article, the above described parts I0, II, I2, I3 and I4 of the spray ring and header shown separately in Fig.` 9 are press-fitted together and silver solder or brazing metal is applied at or adjacent to the'joints to be soldered or brazed and the parts are then passed through a hydrogen brazing furnace or the like where they are lbrazed together in a unit sub-assembly illustrated in Fig. l0, the silver soldered or brazed joints being indicated by the legend braze The bowl, indicated generally at 22, is formed 4of a sheet metal stamping shown in Fig. 11, having the offset rim flange 23 shaped to fit around the exterior of the perforated spray ring IIl, the front and rear walls 24 and 25 of the bowl being tapered downwardlyv as shown in Fig. 11 and an outlet opening 26 being formed at the lower'end of the rear wall 25.

Thetubular washout connection 21, also shown in Fig. 11, has the downwardly angled front end portion 28, closed at its lower end as at 29 and provided with an opening 30 in its upper side coinciding with the outlet opening 26 of the bowl. The substantially horizontal rear portion 3I of the washout tube extends rearwardly from the bowl for some distance and is arranged to be connected to the usual waste pipe. The b owl 22 and tubular washout connection 21 are welded together as indicated in Fig. 12, finish ground and polished at the zone 32 (Fig. 1) to form the bowl sub-assembly illustrated in Fig. 12.

The jet connection comprises a tube 33 illustrated in Fig. 13,'having the upturned upper end end seated upon the base and the flanged opening 59 which receives the rear end portion 3| of the washout tube.

The seat finishing top member shown in Fig. 18 is in the form of a stamping 5I having the depending flange 52 around its outer edges-terminating in an inturned channel portion 52 fitting around the upper end portion 46 of the trim plate and having the inner downwardly curved flange 53 fitted around the inner side of the spray f ring III, the rear end portion'thereof resting upon the flange 54 at the upper end of the back plate 48 and having the downturned flange 55 fitting over the rear edge of the flange 54.

The bowl and washout sub-assembly shown in Fig. 10 is then assembled with the jet connection tube 33 of Fig. 13, the support stamping I4 of Fig. l5,` the trim plate 45 of Fig. 16, theback plate 48 of Fig. 17, the base 39 of Fig. 14, the seat finishing top piece 5I of Fig. 18, and the spray ring and receiving header sub-assembly of Fig. 10 and silver solder or brazing metal is applied to the joints and these assembled parts are again passed through a, hydrogen brazing furnace for -brazing all of the parts together -as shown in Fig. 19 into a unitary structure. 'Ihe brazed joints are again shown by the legend braze in Fig. 19 and in carrying out the second soldering or brazing operation a lower melting point soldering or brazing metal is used.

The base and the trim pieces and assembled parts vmay all be formed of stainless steel,`Monel metal or other corrosion resisting metal or may be of enameling steel and porcelain enameled as all of the parts excepting the spray ring and tubular connection therefor may be enameled so as to obtain complete coverage on the inside which will avoid rusting.` Therefore these parts, as above stated, should be made of stainless steel, Monel metal or otherrust resisting metal.

The tubular stamping I4 may be screw threaded, as indicated at 56, to receive the pipe coupling 51 by means of which the water supply pipe I5 is connected thereto. A seat 58 and lid 59 of any conventional design may be mounted upon the seat finishing top piece in usual and well known manner.

Referring now to Figs. 3 and 4, the invention is shown as applied to the siphon jet type in which the bowl stamping 69 is provided at its upper edge with the outturned flange 6I upon which the perforated spray channel stamping 62 is mounted. This channel, together with the seat iinishing top piece 63 forms' a perforated spray ring at the top or the bowl. The downturned inner ange E41 of the seat nishing top piece fits around the inner side of the channel 82 and the downturned cuter ange 65 thereof nts around the outer side of the channel.

The rear extensions 66 and 61 of the channel 62 and seat nishing top piece 64 are shaped to form a receiving header $8 for connection to the water supply pipe 69 by means of the tubular stamping 10 and form a tubular passage 1| bed tween the receiving header and the spray ring. The members 62, 63 and 10 may be press fitted together; solder or -braze metal is applied to the joints and the assembled parts are passed through a hydrogen brazing furnace where they are brazed together in a unit.

The tubular siphon connection includes the substantially straight tubular stamping 12 having the closed forward lower end 13 and the opening 1d coinciding with the opening 15 at the lower portion of the bowl and these parts may be welded together, finish ground and polished at the zone 1d.

The tubular member 'il made of tubing and :forming the jet connection is connected to the receiving header and to the tubular stamping 'l2 in the manner above described in Figs. l and 2.

The remainder of the Siphon connection comprises the tubular goose neck member ld connected to the upper; end of the tube 12 as by welding at ld, the lower end d@ thereof being adapted to be connected to the usual waste pipe.

Since it would be .substantially impossible to form a tubular piece into this goose neck and maintain the diameters and changesy in diameters necessary for proper operation, this goose neck member is preferably formed of two half stampings which may be welded together.

The supportl stamping di is located between the tubular connection l2 and the lower portion of the goose neck member ld. The front supporting and trim plate b3 has the inturned ange dit at its upper end received against the outturned ange di of the bowland has the inturned ange tti at its lower end mounted upon the base t5.

A nanged opening db is formed in the base to receive the lower end portion 8d of the goose neck member, and the back plate @l has the inturned, curved flange tt at its upper end received within the downturned nange ed at the rear end oi the receiving header td, the lower end ci the back plate being located against the downturned iliange dii of the base stamping. All of these parts may be assembled together ,in the condition shown in Fig. 3 and passed through a hydrogen brazing furnace so that they are brazed. together in a unit vin the manner above described.

The pipe coupling @l may be mounted upon the threaded pipe @tof the tubular stamping ld to connect the water supply pipe G9 thereto and the seat t@ and cover dd may be attached to the substituted for those shown in Figs, 1 to 3. In'

Fig. 5 the angular perforate stamping 95 has the depending ange tt which may be brazed to the upper edge portion of the bowl 91 and the seat 6 nnishlng top piece 98 Ihas the Vdepending outer flange 99 which may be brazed to the `ilange 98 and the depending inner flange which may be brazed to the upturned ange IDI? of the stamping 85.

In Fig. 6 the bowl stamping IUZ-has the perforate inturned horizontal flange |03 and this together with the seat nishing top piece IM forms the perforated spray ring. The depending outer ange |05 of the seat nishing top piece may be brazed to the upper portion of the bowl and the downturned inner ange |06 of the seat nishing top piece terminates in the inturned horizontal ange ||l1 which may be brazed to the inner end portion of the ange |03.

In the form shown in Fig. '7 the bowi stamping |08 is provided at its upper end with the oiset ange IUS to which the perforate channel l0 may be brazed. The seat inishingtop piece has 4the depending outer flange ||2 which may be brazed to the bowl flange |09 and terminates in the inwardly curved portion H3 `fitting Within the oiset. Hd of the bowi. The downturned inner iiange lib of the top piece may be brazed to theadjacent flange iid of the channel and then terminates in the inwardly curved end ill! fitting beneath and brazed to the channel Il.

In the form shown in Fig. 8 the bowl stampoutwardly and upwardly curved flange H9 Within which is brazed the perforated spray ring HM. The seat nishing top piece til is curved to nt around the tube i2@ being brazed thereto and to the upper edge or the bowl ange tilt as at l2?.

In its broadest aspects, the invention whichv inexpensively making light weight, sheet metal water closets from drawn, stamped, pressed-or formed sheet or plate metal parts which may be readily and accurately assembled into a rigid, integral unit. Also, the present invention provides an improved sheet metal water closet construction having strong thin sheet meta-l walls.

Accordingly, the present invention provides for overcoming dimculties and eliminating many of the expensive and complicated and wasteful operations involved in the prior practice of making water closets of the type described from c na.

In the foregoing description, certain terms have been utilized for brevity, clearness and understanding, but no unnecessary limitations are to be implied therefore beyond the requirements 4of the prior art, because such words are utilized for descriptive purposes herein and not for the purpose of limitation, and are intended. to be broadly construed I claim:

l. The method of makingv a pressed metal water closet which comprises forming stainless steel stampings forming a periorated spray ringp a receiving header and a tube connection therefor. press fitting said stampings together brazing ing H8 is provided at its upper edge with thei gether into a 7 them together in a unit, forming a sheet metal bowl stamping with an opening at its lower end and a sheetl metal ejection tube, then welding the ejection tube to the bowl at said opening, forming a tubular jet connection for connecting the receiving header and the ejection tube, forming a su porting and trim plate stamping, a. back plate stamping, a seat'flnishing top piece stamping', a base stamping and a support stamping, then assembling said spray ring and header unit at the upper edge of the bowl,.placing said seat finishing top piece upon said spray ring and header unit, press fitting the ends kof the tubular jet connectionv with the receiving header and the lower end of the ejection tube, assembling said supporting and trim plate and back plate to the seat finishing top piece and the base, assembling` the support stamping to the ejection tube and base, and then brazing all of these parts tounitary structure using a lower melting point solder than in the first brazing operation.

2. The method of making a pressed metal water closet which comprises forming sheet metal stampings forming a perforated spray ring, a seat finishing top piece and a receiving header with a tubular connection to the spray Iring, press tting said stampings together and brazing them together in a unit, forming a sheet metal bow1 stamping with an opening at its lower end and a sheet metal ejection tube, then welding the tube to the bowl at said opening, forming a tubular jet connection for connecting the -receiving header and the ejection tube, forming a supporting and trim plate stamping, a back sembling said spray ring and header unit at the upper edge of the bowl, press fitting the ends of the tubular jet connection with the receiving header and the lower end of the ejection tube, assembling said supporting and trim plate and said back plate to said upper assembled unit and to the base, and t1...n brazing all of these parts together into a unitary structure using a lower melting point solder than in the iirst brazing operation. 3. The method of making a pressed metal water closet which comprises forming stainless steel stampings forming a perforated spray ring, a receiving header and a tube connectiontherefor, press fitting said stampings together and brazing them together in a unit, forming a sheet metal bowl stamping with an opening at its lower end and a sheet metal ejection tube, then welding the ejection tube to the bowl at said'opening, forming a tubular jetconnection for connecting the receiving header and the ejection tube, forming a supporting and trim plate stamping, a base stamping and a support stamping, then assembling said spray ring and header unit at the upper edge of the bowl, press fittingr the ends of the tubular jet connection with the receiving header and the lower end of the ejection tube, assembling said supporting `and trim plate to the bowl and the base, assemplate stamping and a. base stamping, then'asbling the support stamping to support the ejection tube from the base, and then brazing all of these parts together into a` unitary structure using a lower melting point solder than in the first brazlng operation.

JACQUES STANITZ. 

